package com.xiaohuang.service;

import com.xiaohuang.service.impl.IHelloService;
import org.springframework.stereotype.Service;

@Service
public class HelloService implements IHelloService {
    @Override
    public String sayHello(Integer id) {
        if(id == null){
            return "滚出去";
        }
        return "hello";
    }
}
